Linux
OpenStack Havana – Fix for Unable to launch the instance due to “No valid host was found”
When trying to launch a dual homed VM within OpenStack Havana, I would get an Error in the horizon interface. When looking in Nova, I would see the error below when running: nova show ‘instancename’ fault | {u’message’: u’No valid host was found. ‘, u’code’: 500 Which by itself its pretty damn ambiguous, I stared […]
Tags: Havana, Neutron, Nova, Open Stack, OpenStack
Posted in Linux, Networking, Neutron, Nova, Open Stack | 2 Comments »
Configuring OpenStack Havana Cinder, Nova and Glance to run on GlusterFS
Configuring Glace, Cinder and Nova for OpenStack Havana to run on GlusterFS is actually quite simple; assuming that you’ve already got GlusterFS up and running. So lets first look at my Gluster configuration. As you can see below, I have a Gluster volume defined for Cinder, Glance and Nova. [root@g1 ~(keystone_admin)]# gluster volume info Volume […]
Tags: Gluster, GlusterFS, Havana, linux, OpenStack, RDO
Posted in Cloud, Linux, Open Compute, Open Stack, OpenCompute, Storage | 5 Comments »
Installing GlusterFS on RHEL 6.4 for OpenStack Havana (RDO)
The OpenCompute systems are the the ideal hardware platform for distributed filesystems. Period. Why? Cheap servers with 10GB NIC’s and a boatload of locally attached cheap storage! In preparation for deploying RedHat RDO on RHEL, the distributed filesystem I chose was GlusterFS. It’s simple and easy to deploy, and only takes a couple of minutes […]
Tags: GlusterFS, OpenStack, RDO, RHEL
Posted in Cloud, Knox Unit, Linux, OCP, Open Compute, Open Stack, Open Vault, OpenCompute, Storage | 2 Comments »
Static drive mapping using Open Compute Windmill with CentOS 6.4 and the Open Compute Open Vault (Knox Unit) JBOD
In my previous post about Installing CentOS on the Open Compute Windmill servers, all of the testing was done and completed without using the OCP Knox Unit. Once connected, it routinely caused drive mapping issues. For instance, /dev/sda would become /dev/sdb, /dev/sdo or /dev/sdp at reboot. Causing the server to hang at boot since it […]
Tags: CentOS, Knox Unit, OCP, Open Compute, opencompute
Posted in Cloud, Knox Unit, Linux, MegaCLI, OCP, Open Compute, Open Vault, OpenCompute, Storage | No Comments »